gtag('set', {'user_id': 'USER_ID'}); // Set the user ID using signed-in user_id.
ga('set', 'userId', 'USER_ID'); // Set the user ID using signed-in user_id.
If you want, I can draft a ready-to-export one-page quick rules PDF layout and a 4–6 page full ruleset text you can convert into a PDF. Which would you prefer?
